package apiday04homework;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;

public class SortInteger {
    public static void main(String[] args) {
        /*
        List<Integer> list = new ArrayList<>();
        Random rand = new Random();
        for (int i = 0; i < 10; i++) {
            list.add(rand.nextInt(100));
        }
        System.out.println("list:"+list);

        Collections.sort(list);
        System.out.println("list:"+list);

        Collections.reverse(list);
        System.out.println("list:"+list);
        System.out.println("list的第一个元素为:"+list.get(0));

         */
        List<Integer> list = new ArrayList<>();
        Random rand = new Random();
        for (int i = 0; i < 10; i++) {
            list.add(rand.nextInt(1000));
        }
        System.out.println("list:"+list);
        Collections.sort(list);
        System.out.println("list:"+list);
        Collections.reverse(list);
        System.out.println("list:"+list);
        System.out.println("list的第一个元素为:"+list.get(0));
    }
}
